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MaRussiya [10]
3 years ago
13

What is the slope of the line that passes through (2,8); (0,3)​

Mathematics
2 answers:
kakasveta [241]3 years ago
4 0
8 - 3 = 5 Slope formula numerator
2 - 0 = 2 Slope formula denominator

5/2 = 2.5
sukhopar [10]3 years ago
4 0

Answer: slope = 2.5

Step-by-step explanation:

Slope of the line is calculated by change in y/ change in x

= y2 - y1/ x2 - x1

From points (2,8); (0,3)

First step: locate the coordinates

x2 = 0; x1 = 2

y2 =3 ; y1= 8

Then slot the values into the formula

slope = 3 - 8/ 0 - 2

= -5/ -2

slope = 2.5

I hope this is clear, please mark as brainliest answer.

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Can someone help me with geometry ​
Vinil7 [7]

whats the question then?

7 0
3 years ago
Read 2 more answers
PLS I NEED HELP THIS IS MY LAST QUESTION PLS
Keith_Richards [23]

Answer:

82cm have a great day

Step-by-step explanation: have a great day :)

7 0
2 years ago
Factorise (2t-7)²-(5t-4)² <br>with working pls​
sertanlavr [38]

Answer:

33+12t−21t^2

Step-by-step explanation:

(2t-7)²-(5t-4)²

Use binomial theorem (a−b)^2 = a^2−2ab+b^2 to expand (2t-7)².

4t^2−28t+49−(5t-4)²

Use binomial theorem (a−b)^2 = a^2−2ab+b^2 to expand (5t-4)².

4t^2−28t+49−(25t^2−40t+16)

To find the opposite of 25t^2

−40t+16, find the opposite of each term.

4t^2−28t+49−25t^2−40t+16

Combine 4t^2  and −25t^2  to get −21t^2.

−21t^2−28t+49+40t−16

Combine −28t and 40t to get 12t.

−21t^2+12t+49−16

Subtract 16 from 49 to get 33.

−21t^2+12t+33

Swap terms to the left side.

33+12t−21t^2

I hope this helped!

5 0
3 years ago
A chemist is using 362 milliliters of a solution of acid and water. If 12.1% of the solution is acid, how many milliliters of ac
PSYCHO15rus [73]

Answer:

The answer to your question is 43.8 mL of acid.

Step-by-step explanation:

Data

Total volume = 362 ml

12.1 % is acid

The Volume of acid = ?

Process

1.- Use the rule of three and cross multiplication to solve this problem.

               362 ml ------------------- 100%

                    x       -------------------  12.1 %

                    x = (12.1 x 362) / 100

                    x = 4380.2 / 100

                    x = 43.802 ml

2.- Round your answer to the nearest tenth.

                        43.802   only consider the first decimal

                        43.8 mL

3.- Conclusion

    A 12.1% solution of acid has 43.8 mL of acid.

6 0
3 years ago
Read 2 more answers
What is the number of solutions of 4x^2+12x+9=0?
Gwar [14]

Answer:

One Real number solution

Step-by-step explanation:

check the discriminant

12^2  - 4*4*9

b^2 - 4ac

...

144 - 16*9 =  0

one double root

7 0
3 years ago
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